Repairing handbook for Nokia 8850

 
service, manual, repair, handbook, instruction, how to, nokia, 8850    Price: 3.12 USD
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It is one of repairing handbooks series usefull in finding a damage in phone and then repairing it. Our 64-pages book includes phone\'s schemes, diagrams showing what you should check or do to recognize the problem and then repair.
Our service book is in English only

Below you can find index of the book:
Chapter 1 Disassembly Instructions for Nokia 8850 Mobile Phone
Chapter 2 Typical Circuits Analysis for Nokia 8850 Mobile Phone

2.1 Power Supplies
2.1.1 Power Distribution
2.1.2 Power UP and Power Down
2.1.3 Charging
2.1.4 Watchdog
2.1.5 Modes of Operation
2.1.6 Clock Circuitry
2.2 RF Module
2.2.1 Receiver
2.2.2 Transmitter
2.2.3 Frequency Syntesizer
2.3 Audio and Logic control
2.3.1 Audio Control
2.3.2 Memories
2.3.3 Digital control
2.4 User interface
2.4.1 Display Circuit
2.4.2 Keyboard
2.4.3 Backlighting
2.4.4 Buzzer
2.4.5 Speaker
2.4.6 Microphone
2.4.7 Vibra Alerting Device
2.4.8 IR Module
2.4.9 SIM card connector
Chapter 3 Trouble Test and Troubleshooting for Nokia 8850 Mobile Phone
3.1 Test Points and Testing

3.1.1 PCB
3.1.2 RF Part
3.1.3 Power Supplies
3.2 Troubleshooting
3.2.1 Phone is totally dead
3.2.2 Flash programming fails
3.2.3 Power doesn't stay on or phone is jammed
3.2.4 SIM related faults
3.2.5 Audio faults
3.2.6 Charging fault
3.2.7 System Clock
3.2.8 Sleep Clock

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service, manual, repair, handbook, instruction, how to, nokia, 8850


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